from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from sqlalchemy.ext.declarative import declarative_base
import os

project_dir = os.path.abspath(".")
xls_dir = os.path.join(project_dir, "xls")
Base = declarative_base()
engine = create_engine("sqlite:///cu.db", echo=True)
Session = sessionmaker(bind=engine)

